[3-in-1] Inateck 3-Port USB 3.0 Hub with Micro SD Card Reader Combo and OTG Adapter Special for   Laptops, Ultrabooks, Tablet PCs with USB Ports, Smartphones Provide 3 Ports USB3.0 supports transfer rates up to 5 Gbps - The actual transmission speed is limited by the setting of the device connected; Backward compatible with USB 2.0/1.1. Innovative 3*USB 3.0 Hub + Card Reader Slot + OTG Adapter Support, convenient data transfer solution for tablets and other mobile devices; Support for Windows 8/ 7/ Vista/ XP, Mac OS X 10.8.4 Multifunctional ports to meet various user requirements, enhances the computer with three USB 3.0 ports and one SD card reading slot, OTG enhancement plug included, convenient operation of external drives, memory sticks, card readers, cameras, mobile phones etc., compatible with most conventional SD cards Safe and reliable; Build in Overvoltage/Overcurrent/Leakage and Short-Circuit protection unit; The connection cable is attached to the hub -no need to worry about leaving it behind or losing it Features an original ViA Technology controller chipset, stable power supply, supports storage devices with 1 TB; Plug and Play, hot swappable; Package: 1x Multifunctional USB3.0 Hub